Explanation please

18. (Table: Hypothetical Irish National Income and Product Accounts Data) Based on the data in the table below, what is this country's national saving? Billions of dollars 1,200 Category Consumption (personal consumption expenditures) Investment (gross private domestic investment Government consumption (government expenditures) Exports Imports Net primary income Net secondary income 700 200 500 600 -300 -10 $290 billion. $700 billion. $300 billion. $320 billion. Score: 1 of 1